This sweater could be worn alone or layered. Whether you're on your daily commute or exercising, wearing it you're free to move without restriction. And the zip closure on collar allows you to adjust to make this men's sweater comfortable and suitable. Fabric: 100% polyester Regular fit Zipper closure, long sleeve Fabric weight: 260g/m² Stitch Color: black or white, automatically matched based on patterns. Care Instruction: machine wash cold with similar colors, do not bleach, tumble dry low, do not iron, do not dry clean.sweater comfortable and suitable. Fabric: 100% polyester Regular fit Zipper closure, long sleeve Fabric weight: 260g/m² Stitch Color: black or white, automatically matched based on patterns. Care Instruction: machine wash cold with similar colors, do not bleach, tumble dry low, do not iron, do not dry clean.